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Comets

Browse and discover detailed information about 210 of the most interesting comets. Comets are listed in order of decreasing brightness.

Visibility from selected location  = visible to the naked eye
 = binocular, brighter than 10th magnitude
= current altitude ≥ 30°   = current altitude < 30°   = below the horizon
Location: Greenwich, United Kingdom [change]

Comet 134P/Kowal-Vavrova

134P/Kowal-Vavrova
R.A: 01h 40m 14s   Dec: +09° 34’ 50”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.1 (JPL) 
in Pisces   object currently below the horizon

Comet C/2018 K1 (Weiland)

C/2018 K1 (Weiland)
R.A: 11h 47m 42s   Dec: +20° 01’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.4 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet 80P/Peters-Hartley

80P/Peters-Hartley
R.A: 05h 41m 27s   Dec: +14° 33’ 58”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.4 (JPL) 
in Orion   object currently below the horizon

Comet 18D/Perrine-Mrkos

18D/Perrine-Mrkos
R.A: 14h 40m 23s   Dec: -22° 26’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.4 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon

Comet C/2020 Q1 (Borisov)

C/2020 Q1 (Borisov)
R.A: 20h 17m 55s   Dec: +07° 45’ 42”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.5 (JPL)  fading
in Aquila   current altitude greater than 30 degrees above the horizon

Comet P/2014 L2 (NEOWISE)

P/2014 L2 (NEOWISE)
R.A: 09h 47m 26s   Dec: +12° 39’ 48”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.6 (JPL) 
in Leo   object currently below the horizon

Comet C/2017 T1 (Heinze)

C/2017 T1 (Heinze)
R.A: 20h 39m 09s   Dec: -88° 37’ 32”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.7 (JPL) 
in Octans   object currently below the horizon

Comet 92P/Sanguin

92P/Sanguin
R.A: 11h 06m 09s   Dec: -01° 25’ 51”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 31.8 (JPL)  brightening
in Leo   object currently below the horizon

Comet C/2017 S3 (PANSTARRS)

C/2017 S3 (PANSTARRS)
R.A: 13h 47m 13s   Dec: +60° 12’ 41”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.2 (JPL) 
in Ursa Major   current altitude greater than 30 degrees above the horizon

Comet McNaught (C/2006 P1)

C/2006 P1 (McNaught)
R.A: 17h 08m 42s   Dec: -53° 54’ 25”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.2 (JPL) 
in Ara   object currently below the horizon

Comet C/2016 U1 (NEOWISE)

C/2016 U1 (NEOWISE)
R.A: 02h 30m 46s   Dec: -10° 48’ 57”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 32.6 (JPL) 
in Cetus   object currently below the horizon

Comet C/1996 B2 (Hyakutake)

C/1996 B2 (Hyakutake)
R.A: 13h 56m 12s   Dec: -59° 18’ 05”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.1 (JPL) 
in Centaurus   object currently below the horizon

Comet 45P/Honda-Mrkos-Pajdusakova

45P/Honda-Mrkos-Pajdusakova
R.A: 17h 32m 52s   Dec: -22° 28’ 08”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 34.6 (JPL)  brightening
in Ophiucus   current altitude less than 30 degrees above the horizon

Comet 213P/Van Ness

213P/Van Ness
R.A: 09h 59m 13s   Dec: +09° 12’ 39”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.0 (JPL) 
in Leo   object currently below the horizon

Comet C/2018 V1 (Machholz-Fujikawa-Iwamoto)

C/2018 V1 (Machholz-Fujikawa-Iwamoto)
R.A: 16h 32m 11s   Dec: -52° 33’ 26”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.7 (JPL)  fading
in Norma   object currently below the horizon

Comet 62P/Tsuchinshan 1

62P/Tsuchinshan 1
R.A: 20h 12m 50s   Dec: -23° 05’ 37”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 35.8 (JPL) 
in Capricornus   current altitude less than 30 degrees above the horizon

Comet 109P/Swift-Tuttle

109P/Swift-Tuttle
R.A: 09h 42m 05s   Dec: -21° 20’ 01”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 36.4 (JPL) 
in Hydra   object currently below the horizon

Comet 168P/Hergenrother

168P/Hergenrother
R.A: 11h 13m 11s   Dec: +15° 21’ 07”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 37.5 (JPL)  fading
in Leo   current altitude less than 30 degrees above the horizon

Comet C/2020 H2 (Pruyne)

C/2020 H2 (Pruyne)
R.A: 07h 52m 42s   Dec: +50° 34’ 59”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 43.3 (JPL)  fading
in Lynx   current altitude less than 30 degrees above the horizon

Comet 55P/Tempel-Tuttle

55P/Tempel-Tuttle
R.A: 15h 40m 37s   Dec: -19° 16’ 00”
Observed Magnitude N.A. (COBS)
Estimated Magnitude 47.6 (JPL) 
in Libra   current altitude less than 30 degrees above the horizon
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